Abstract
Chondroblastoma is a relatively rare benign bone tumor of cartilage origin. Roentgenologically it presents usually as a region of lytic destruction of bone with a thin sclerotic rim in the epiphysis of long tubular bone. Less than 9% occur in the pelvic bones but show a tendency to arise from the triradiate cartilage. We present two cases of chondroblastoma originating in the triradiate cartilage, each showing extensive lytic bony destruction and an intrapelvic soft tissue mass. A review of the literature suggests that chondroblastoma of the triradiate cartilage shows an aggressive radiological appearance.
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Matsuno, T., Hasegawa, I. & Masuda, T. Chondroblastoma arising in the triradiate cartilage. Skeletal Radiol 16, 216–222 (1987). https://doi.org/10.1007/BF00356956
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DOI: https://doi.org/10.1007/BF00356956